# tss_get

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< c‎ | thread

Defined in header ``<threads.h>`` |  |
void *tss_get( tss_t tss_key ); |  | (since C11)

Returns the value held in thread-specific storage for the current thread identified by `tss_key`. Different threads may get different values identified by the same key.

On thread startup (see thrd_create), the values associated with all TSS keys are NULL. Different value may be placed in the thread-specific storage with tss_set.

### Parameters

tss_key | - | thread-specific storage key, obtained from tss_create and not deleted by tss_delete

### Return value

The value on success, NULL on failure.

### Notes

The POSIX equivalent for this function is `pthread_getspecific`.

### Example

| This section is incomplete Reason: no example

### References

- C17 standard (ISO/IEC 9899:2018):

  - 7.26.6.3 The tss_get function (p: 282)

- C11 standard (ISO/IEC 9899:2011):

  - 7.26.6.3 The tss_get function (p: 386)

### See also

tss_set (C11) | write to thread-specific storage (function)

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